194169401 has 2 divisors, whose sum is σ = 194169402. Its totient is φ = 194169400.

The previous prime is 194169389. The next prime is 194169403. The reversal of 194169401 is 104961491.

194169401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177555625 + 16613776 = 13325^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 194169401 - 2¹⁴ = 194153017 is a prime.

Together with 194169403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194169403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97084700 + 97084701.

It is an arithmetic number, because the mean of its divisors is an integer number (97084701).

Almost surely, 2^194169401 is an apocalyptic number.

It is an amenable number.

194169401 is a deficient number, since it is larger than the sum of its proper divisors (1).

194169401 is an equidigital number, since it uses as much as digits as its factorization.

194169401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 194169401 is about 13934.4680917500. The cubic root of 194169401 is about 579.0644857248.

The spelling of 194169401 in words is "one hundred ninety-four million, one hundred sixty-nine thousand, four hundred one".